Citphto DC Motor Speed Controller 12V 24V Universal Electronic Speed Regulator with Metal Shell Rotary Switches for Car Van Heater Voltage Control

• 【Universal】Voltage 12V or 24V. Overload current: 20A. Supports high power, 12V/120W, 24V/240W

• 【Features】Easy to adjust and control speed of DC motor, simple wiring and convenient to use, a great replacement for broken one. Extra long knob screw to meet installation needs

• 【Wiring】Red wire connected to the positive pole of power supply and motor, blue wire connected to the negative pole of motor, black wire connected to the negative pole of power supply

• 【Heat dissipation】This electronic stepless speed controller is a upgraded fan heater controller with metal coating that will ensures a better heat dissipation

• 【Application】Widely used for 12-24V DC electric appliances. Adjust motor speed, automobile fan heater control, defroster, fans speed regulation, etc